1279757283

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{673}}^1$

素因数の和:864

約数の個数: 64

約数和(自身を含む): 2120220672

約数和(自身を除く): 840463389

約数列:

[1, 3, 7, 21, 23, 31, 69, 93, 127, 161, 217, 381, 483, 651, 673, 713, 889, 2019, 2139, 2667, 2921, 3937, 4711, 4991, 8763, 11811, 14133, 14973, 15479, 20447, 20863, 27559, 46437, 61341, 62589, 82677, 85471, 90551, 108353, 146041, 256413, 271653, 325059, 438123, 479849, 598297, 633857, 1439547, 1794891, 1901571, 1965833, 2649601, 3358943, 5897499, 7948803, 10076829, 13760831, 18547207, 41282493, 55641621, 60940823, 182822469, 426585761, 1279757283]

約数ペア:

[(1, 1279757283), (3, 426585761), (7, 182822469), (21, 60940823), (23, 55641621), (31, 41282493), (69, 18547207), (93, 13760831), (127, 10076829), (161, 7948803), (217, 5897499), (381, 3358943), (483, 2649601), (651, 1965833), (673, 1901571), (713, 1794891), (889, 1439547), (2019, 633857), (2139, 598297), (2667, 479849), (2921, 438123), (3937, 325059), (4711, 271653), (4991, 256413), (8763, 146041), (11811, 108353), (14133, 90551), (14973, 85471), (15479, 82677), (20447, 62589), (20863, 61341), (27559, 46437)]